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2014/10/15 ¤U¤È 10:11:10
iphone Programming Glossary: longHow to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone an intermediate server that sends SMS will allow any and all of these iOS devices to send SMS as long as they have internet access so it may still be a better solution for many applications. Alternately..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone CGImageGetDataProvider self CGImage Create a buffer to store bitmap data unitialized memory as long as the data self setPixelBitData malloc CFDataGetLength bitmapData Copy image data into allocated buffer..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone an app as allowing users to modify documents so if you are using Documents today you are fine as long as you change location when updating for support of user documents. Last there is a cache directory.. Last there is a cache directory where you can put images that you don't care exist for the long term or not the phone may delete them at some point NSArray paths NSSearchPathForDirectoriesInDomains..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received . The program runs without any issue on the iPhone simulator it will also debug and run as long as I step through the instructions one at a time. As soon as I let it run again I will hit the EXC_BAD_ACCESS..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 library http stackoverflow.com a 5721978 153422 takes much more effort to setup but much nicer long term solution it converts your library into a Framework . RECENT CHANGES Info on how to use this script..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store iPhone without going through the app store It doesn't matter if the iPhone has to be jailbroken as long as I can still run an application created using the official SDK. For reasons I won't get into I can't..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events you can see that i have a comment at the expirationHandler. This will cause your app running as long as the system allows your app to be running. All timers and threads stay running until iOS terminates.. ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Start the long running task and return immediately. dispatch_async dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_DEFAULT.. bgTask bgTask UIBackgroundTaskInvalid Be very spare with CPU Time here and your app runs longer But one thing is for sure your app will be terminated after a while. But because you registered your..
Create singleton using GCD's dispatch_once in Objective C http://stackoverflow.com/questions/5720029/create-singleton-using-gcds-dispatch-once-in-objective-c It may not technically be a singleton in that there can only ever be 1 of these objects but as long as you only use the Foo sharedFoo method to access the object this is good enough. share improve this..
How do I get a background location update every n minutes in my iOS application? http://stackoverflow.com/questions/6347503/how-do-i-get-a-background-location-update-every-n-minutes-in-my-ios-application background also limited in time when an app is moved to the background rather than implementing long running background processes. How can I implement these regular background location updates iphone..
How can I programmatically get the MAC address of an iphone http://stackoverflow.com/questions/677530/how-can-i-programmatically-get-the-mac-address-of-an-iphone GetIPAddresses GetHWAddresses int i NSString deviceIP nil for i 0 i MAXADDRS i static unsigned long localHost 0x7F000001 127.0.0.1 unsigned long theAddr theAddr ip_addrs i if theAddr 0 break if theAddr.. deviceIP nil for i 0 i MAXADDRS i static unsigned long localHost 0x7F000001 127.0.0.1 unsigned long theAddr theAddr ip_addrs i if theAddr 0 break if theAddr localHost continue NSLog @ Name s MAC s IP..
Is there a good charting library for iPhone? [closed] http://stackoverflow.com/questions/769749/is-there-a-good-charting-library-for-iphone currently in use in several shipping iPhone and OS X applications. Edit 2 10 Core Plot has come a long way since I first posted the summary. The framework now has bar charts including horizontal bar charts..
How to know the UITableview row number http://stackoverflow.com/questions/9274494/how-to-know-the-uitableview-row-number hitPoint Works with any type of view multi section tables whatever you can throw at it as long as the origin of your sender is within the cell's frame thanks rob which will usually be the case. ..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone your app to recently upgraded 3G 3GS and 4 iPhones. However an intermediate server that sends SMS will allow any and all of these iOS devices to send SMS as long as they have internet access so it may still be a better solution for many applications. Alternately use both and only fall back to an online SMS service when the..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone see UIImage docs self setBitmapData CGDataProviderCopyData CGImageGetDataProvider self CGImage Create a buffer to store bitmap data unitialized memory as long as the data self setPixelBitData malloc CFDataGetLength bitmapData Copy image data into allocated buffer CFDataGetBytes bitmapData CFRangeMake 0 CFDataGetLength..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone the user will not be able to see anything unless you flag an app as allowing users to modify documents so if you are using Documents today you are fine as long as you change location when updating for support of user documents. Last there is a cache directory where you can put images that you don't care exist for the long.. as you change location when updating for support of user documents. Last there is a cache directory where you can put images that you don't care exist for the long term or not the phone may delete them at some point NSArray paths NSSearchPathForDirectoriesInDomains NSCachesDirectory NSUserDomainMask YES NSString cachePath..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received with the following error Program received signal EXC_BAD_ACCESS . The program runs without any issue on the iPhone simulator it will also debug and run as long as I step through the instructions one at a time. As soon as I let it run again I will hit the EXC_BAD_ACCESS signal. In this particular case it happened to be..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 version but install instructions may change see below Karl's library http stackoverflow.com a 5721978 153422 takes much more effort to setup but much nicer long term solution it converts your library into a Framework . RECENT CHANGES Info on how to use this script with a project embedded in another project although I highly..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store on my Mac is there any way I can get it to run on an iPhone without going through the app store It doesn't matter if the iPhone has to be jailbroken as long as I can still run an application created using the official SDK. For reasons I won't get into I can't have this program going through the app store. Thanks for..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events if you are finished with your work. In the code below you can see that i have a comment at the expirationHandler. This will cause your app running as long as the system allows your app to be running. All timers and threads stay running until iOS terminates your app. void applicationDidEnterBackground UIApplication.. UIApplication sharedApplication bgTask app beginBackgroundTaskWithExpirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Start the long running task and return immediately. dispatch_async dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_DEFAULT 0 ^ you can do sth. here or simply do nothing All.. runs until the system terminates our process app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Be very spare with CPU Time here and your app runs longer But one thing is for sure your app will be terminated after a while. But because you registered your app as VoIP or one of the others the system restarts the..
Create singleton using GCD's dispatch_once in Objective C http://stackoverflow.com/questions/5720029/create-singleton-using-gcds-dispatch-once-in-objective-c
How do I get a background location update every n minutes in my iOS application? http://stackoverflow.com/questions/6347503/how-do-i-get-a-background-location-update-every-n-minutes-in-my-ios-application as I understand this should be used to finish some work in the background also limited in time when an app is moved to the background rather than implementing long running background processes. How can I implement these regular background location updates iphone ios objective c core location background process share improve..
How can I programmatically get the MAC address of an iphone http://stackoverflow.com/questions/677530/how-can-i-programmatically-get-the-mac-address-of-an-iphone things up. IPAddress.h IPAddress.c And to use it InitAddresses GetIPAddresses GetHWAddresses int i NSString deviceIP nil for i 0 i MAXADDRS i static unsigned long localHost 0x7F000001 127.0.0.1 unsigned long theAddr theAddr ip_addrs i if theAddr 0 break if theAddr localHost continue NSLog @ Name s MAC s IP s n if_names i.. it InitAddresses GetIPAddresses GetHWAddresses int i NSString deviceIP nil for i 0 i MAXADDRS i static unsigned long localHost 0x7F000001 127.0.0.1 unsigned long theAddr theAddr ip_addrs i if theAddr 0 break if theAddr localHost continue NSLog @ Name s MAC s IP s n if_names i hw_addrs i ip_names i decided what adapter you..
Is there a good charting library for iPhone? [closed] http://stackoverflow.com/questions/769749/is-there-a-good-charting-library-for-iphone the beginning. It's getting pretty close to useable and is currently in use in several shipping iPhone and OS X applications. Edit 2 10 Core Plot has come a long way since I first posted the summary. The framework now has bar charts including horizontal bar charts I believe axis labels including aribrarty rotations and fills..
How to know the UITableview row number http://stackoverflow.com/questions/9274494/how-to-know-the-uitableview-row-number
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone 4 iPhones. However an intermediate server that sends SMS will allow any and all of these iOS devices to send SMS as long as they have internet access so it may still be a better solution for many applications. Alternately use both and only fall..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone CGDataProviderCopyData CGImageGetDataProvider self CGImage Create a buffer to store bitmap data unitialized memory as long as the data self setPixelBitData malloc CFDataGetLength bitmapData Copy image data into allocated buffer CFDataGetBytes..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone unless you flag an app as allowing users to modify documents so if you are using Documents today you are fine as long as you change location when updating for support of user documents. Last there is a cache directory where you can put images.. support of user documents. Last there is a cache directory where you can put images that you don't care exist for the long term or not the phone may delete them at some point NSArray paths NSSearchPathForDirectoriesInDomains NSCachesDirectory..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received signal EXC_BAD_ACCESS . The program runs without any issue on the iPhone simulator it will also debug and run as long as I step through the instructions one at a time. As soon as I let it run again I will hit the EXC_BAD_ACCESS signal. In..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 change see below Karl's library http stackoverflow.com a 5721978 153422 takes much more effort to setup but much nicer long term solution it converts your library into a Framework . RECENT CHANGES Info on how to use this script with a project embedded..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store get it to run on an iPhone without going through the app store It doesn't matter if the iPhone has to be jailbroken as long as I can still run an application created using the official SDK. For reasons I won't get into I can't have this program..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events In the code below you can see that i have a comment at the expirationHandler. This will cause your app running as long as the system allows your app to be running. All timers and threads stay running until iOS terminates your app. void applicationDidEnterBackground.. app beginBackgroundTaskWithExpirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Start the long running task and return immediately. dispatch_async dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_DEFAULT 0 ^ you can.. app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Be very spare with CPU Time here and your app runs longer But one thing is for sure your app will be terminated after a while. But because you registered your app as VoIP or one..
Create singleton using GCD's dispatch_once in Objective C http://stackoverflow.com/questions/5720029/create-singleton-using-gcds-dispatch-once-in-objective-c
How do I get a background location update every n minutes in my iOS application? http://stackoverflow.com/questions/6347503/how-do-i-get-a-background-location-update-every-n-minutes-in-my-ios-application some work in the background also limited in time when an app is moved to the background rather than implementing long running background processes. How can I implement these regular background location updates iphone ios objective c core..
How can I programmatically get the MAC address of an iphone http://stackoverflow.com/questions/677530/how-can-i-programmatically-get-the-mac-address-of-an-iphone to use it InitAddresses GetIPAddresses GetHWAddresses int i NSString deviceIP nil for i 0 i MAXADDRS i static unsigned long localHost 0x7F000001 127.0.0.1 unsigned long theAddr theAddr ip_addrs i if theAddr 0 break if theAddr localHost continue.. int i NSString deviceIP nil for i 0 i MAXADDRS i static unsigned long localHost 0x7F000001 127.0.0.1 unsigned long theAddr theAddr ip_addrs i if theAddr 0 break if theAddr localHost continue NSLog @ Name s MAC s IP s n if_names i hw_addrs..
Is there a good charting library for iPhone? [closed] http://stackoverflow.com/questions/769749/is-there-a-good-charting-library-for-iphone to useable and is currently in use in several shipping iPhone and OS X applications. Edit 2 10 Core Plot has come a long way since I first posted the summary. The framework now has bar charts including horizontal bar charts I believe axis labels..
How to know the UITableview row number http://stackoverflow.com/questions/9274494/how-to-know-the-uitableview-row-number indexPathForRowAtPoint hitPoint Works with any type of view multi section tables whatever you can throw at it as long as the origin of your sender is within the cell's frame thanks rob which will usually be the case. share improve this..
Trying to Write NSString sha1 function, but it's returning null http://stackoverflow.com/questions/1353771/trying-to-write-nsstring-sha1-function-but-its-returning-null objective c iphone nsstring nsdata sha1 share improve this question Short answer turn on gcc warnings Wall . Long answer NSMutableData dataToHash NSMutableData alloc init dataToHash appendData str dataUsingEncoding NSUTF8StringEncoding..
SQL Query for Performing Radius Search based on Latitude Longitude http://stackoverflow.com/questions/1727137/sql-query-for-performing-radius-search-based-on-latitude-longitude Query for Performing Radius Search based on Latitude Longitude We have a restaurant table that has lat long data for each row. We need to write a query that performs a search to.. within the provided radius e.g. 1 mile 5 miles etc. We have the following query for this purpose Parameters Longitude 74.008680 Latitude 40.711676 Radius 1 mile Query SELECT FROM restaurant WHERE POW 69.1 Longitude 74.008680 cos 40.711676.. purpose Parameters Longitude 74.008680 Latitude 40.711676 Radius 1 mile Query SELECT FROM restaurant WHERE POW 69.1 Longitude 74.008680 cos 40.711676 57.3 2 POW 69.1 Latitude 40.711676 2 1 1 The table has about 23k rows. The size of the result..
Change title of MFMailComposeViewController http://stackoverflow.com/questions/1737848/change-title-of-mfmailcomposeviewcontroller 0.09 blue 0.39 alpha 1.00 controller.mailComposeDelegate self controller.title @ Feedback controller setSubject @ Long subject controller setMessageBody @ isHTML NO controller setToRecipients array self presentModalViewController controller..
Dynamic (Default.png) splashscreen in 3.0 [iPhone SDK] http://stackoverflow.com/questions/1959080/dynamic-default-png-splashscreen-in-3-0-iphone-sdk
Set the location in iPhone Simulator http://stackoverflow.com/questions/214416/set-the-location-in-iphone-simulator None Custom Location Apple Stores Apple City Bicycle Ride City Run Freeway Drive Custom Location lets you enter a Lat Long value. Bicycle ride City Run and Freeway Drive are simulation of a moving location in Cupertino of course . Of course this..
why most of the objects we create in iphone are pointers http://stackoverflow.com/questions/3044292/why-most-of-the-objects-we-create-in-iphone-are-pointers question Short Answer Because Objective C objects can only be allocated on the heap and manipulated as pointers. Long Answer Objective C requires that classes be allocated on the heap and manipulated as pointers because polymorphism requires..
UILongPressGestureRecognizer gets called twice when pressing down http://stackoverflow.com/questions/3319591/uilongpressgesturerecognizer-gets-called-twice-when-pressing-down gets called twice when pressing down I am detecting if the user has pressed down for 2 seconds UILongPressGestureRecognizer.. gets called twice when pressing down I am detecting if the user has pressed down for 2 seconds UILongPressGestureRecognizer longPress UILongPressGestureRecognizer alloc initWithTarget self action @selector handleLongPress.. when pressing down I am detecting if the user has pressed down for 2 seconds UILongPressGestureRecognizer longPress UILongPressGestureRecognizer alloc initWithTarget self action @selector handleLongPress longPress.minimumPressDuration 2.0..
How to keep an iPhone app running on background fully operational http://stackoverflow.com/questions/3762200/how-to-keep-an-iphone-app-running-on-background-fully-operational the duration provided. Running for longer than this will cause your application to be terminated. See the Completing a Long Running Task in the Background section of the iOS Application Programming Guide for how to go about this. Others have piggybacked..
http://stackoverflow.com/questions/3924446/long-press-on-uitableview press on UITableView I would like to handle a long press on a UITableViewCell to print a quick access menu . Did someone.. gesture recognition share improve this question First add the long press gesture recognizer to the table view UILongPressGestureRecognizer lpgr UILongPressGestureRecognizer alloc initWithTarget self action @selector handleLongPress lpgr.minimumPressDuration.. this question First add the long press gesture recognizer to the table view UILongPressGestureRecognizer lpgr UILongPressGestureRecognizer alloc initWithTarget self action @selector handleLongPress lpgr.minimumPressDuration 2.0 seconds lpgr.delegate..
http://stackoverflow.com/questions/4130821/iphone-compass-gps-direction and I always need the pointer to point to that specific location no matter where the user is located. I have the Lat Long coordinates of this location but not sure how can I point to that location using the Compass and the GPS... just like http..
Calling C++ method from Objective C http://stackoverflow.com/questions/4456239/calling-c-method-from-objective-c Let me be precise #ifdef __cplusplus extern C char UTMLetterDesignator double Lat NSString LLtoUTM double Lat double Long double UTMNorthing double UTMEasting double test double a #endif @Carl I have included my code sample.Are saying that I..
objective-c code to right pad a NSString? http://stackoverflow.com/questions/5386351/objective-c-code-to-right-pad-a-nsstring give a code example of how to right pad an NSString in objective c please For example want these strings Testing 123 Long String Hello World Short if right padded to a column width of say 12 and then a sting XXX is added to the end of each it..
How to invoke iPhone Maps for Directions with Current Location as Start Address http://stackoverflow.com/questions/576768/how-to-invoke-iphone-maps-for-directions-with-current-location-as-start-address maps application by calling openURL on a google maps URL with parameters saddr and daddr with location strings or Lat Long see example below . But I'm wondering if it's possible to make the start address be the Current Location maps bookmark so.. openURL NSURL URLWithString NSString stringWithFormat @ http maps.google.com maps saddr @ daddr @ myLatLong latlong Except with something to invoke the current location bookmark in place of myLatLong . iphone ios maps share.. saddr @ daddr @ myLatLong latlong Except with something to invoke the current location bookmark in place of myLatLong . iphone ios maps share improve this question Pre iOS 6 You need to use Core Location to get the current location but..
Warning in Custom Map Annotations iPhone http://stackoverflow.com/questions/5872547/warning-in-custom-map-annotations-iphone I am receiving these warnings iphone map mapkit mkannotation iphone maps share improve this question Latitude and Longitude have differing bounds 90 90 for Lat 180 180 for Long Passing a value outside of those bounds will cause the custom.. iphone maps share improve this question Latitude and Longitude have differing bounds 90 90 for Lat 180 180 for Long Passing a value outside of those bounds will cause the custom class to be deallocated and therefore giving you the error.. giving you the error that you're receiving. Make sure that you are passing the correct values for both Latitude and Longitude. It would be really nice if Apple passed a bounding error for this instead of an early release error. That would've..
How do you add multi-line text to a UIButton? http://stackoverflow.com/questions/604632/how-do-you-add-multi-line-text-to-a-uibutton I have the following code... UILabel buttonLabel UILabel alloc initWithFrame targetButton.bounds buttonLabel.text @ Long text string targetButton addSubview buttonLabel targetButton bringSubviewToFront buttonLabel ...the idea being that I can..
http://stackoverflow.com/questions/6300756/long-polling-in-objective-c application that uses an API to get real time updates on the website. They use what they call a long polling technique Long polling is a variation of the traditional polling technique and allows emulation of an information push from a server to.. use to deliver data in response to an event. In a web AJAX context long polling is also known as Comet programming. Long polling is itself not a push technology but can be used under circumstances where a real push is not possible. Basically..
Combine longpress gesture and drag gesture together http://stackoverflow.com/questions/9272333/combine-longpress-gesture-and-drag-gesture-together thing by drag with long press. Any idea iphone objective c ios uigesturerecognizer share improve this question UILongPressGestureRecognizer already does what you want for you. Take a look at the UIGestureRecognizerState property. From the.. already does what you want for you. Take a look at the UIGestureRecognizerState property. From the documentation Long press gestures are continuous. The gesture begins UIGestureRecognizerStateBegan when the number of allowable fingers numberOfTouchesRequired.. finger moves and it ends UIGestureRecognizerStateEnded when any of the fingers are lifted. So essentially after your UILongPressGestureRecognizer selector is called you listen to UIGestureRecognizerStateBegan UIGestureRecognizerStateChanged UIGestureRecognizerStateEnded...
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